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A week before the lock down we gathered with Elmine’s family to celebrate both her parents’ birthdays. We met in Baarn, visiting the 18th century Groeneveld estate. Part of their collection was one of the three xylotheques in the Netherlands, all three made in the late 18th century. I never saw one of these fascinating things before: a series of ‘books’ about trees, where each book is made from the wood and bark of that tree, and contains a description of it, as well as dried leaves, flowers and fruits.

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About

Blog Interdependent Thoughts maintained since 2002 by Ton Zijlstra. European citizen in a networked world. Based in the Netherlands, living in Europe, working globally. There are no Others. There is just me and many of you.

I write about how our digital and networked world changes how we work, learn, decide and organize. I explore the tools and strategies that help us navigate the networked world.
I am passionate about increasing people's ability to act (knowledge), and their ability to change (learning). Key-words: open data, open government, fablabs, making, complexity, networked agency, networked learning, ethics by design.